Arsenal boss Arsene Wenger is reportedly considering an approach for West Ham United youngster Domingos Quina.
The 17-year-old joined West Ham from Chelsea last summer, and the teenager made two Europa League appearances for the Hammers in the early stages of the 2016-17 season.
Quina was not involved in West Ham's Premier League squad last season, but it is understood that he is highly-rated at the London Stadium.
According to Sky Sports News, Arsenal were also interested last summer, and the Gunners are preparing an offer for Quina after being impressed with the midfielder's performances for Portugal Under-19s during the Under-19 European Championships this summer.
Quina started his youth career with Benfica, before spending three years with Chelsea between 2013 and 2016.